Factors associated with developing a fear of falling in subjects with primary open-angle glaucoma

Abstract Background To investigate the relationship between clinical risk factors, including visual field (VF) defects and visual acuity, and a fear of falling, among patients with primary open-angle glaucoma (POAG). Methods All participants answered the following question at a baseline ophthalmic examination: Are you afraid of falling? The same question was then answered every 12 months for 3 years. A binocular integrated visual field was calculated by merging a patient’s monocular Humphrey field analyzer VFs, using the ‘best sensitivity’ method. The means of total deviation values in the whole, superior peripheral, superior central, inferior central, and inferior peripheral VFs were calculated. The relationship between these mean VF measurements, and various clinical factors, against patients’ baseline fear of falling and future fear of falling was analyzed using multiple logistic regression. Results Among 392 POAG subjects, 342 patients (87.2%) responded to the fear of falling question at least twice in the 3 years study period. The optimal regression model for patients’ baseline fear of falling included age, gender, mean of total deviation values in the inferior peripheral VF and number of previous falls. The optimal regression equation for future fear of falling included age, gender, mean of total deviation values in the inferior peripheral VF and number of previous falls. Conclusion Defects in the inferior peripheral VF area are significantly related to the development of a fear of falling.

Abstract licence: CC BY-NC-ND

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